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Wireless LAN with channel swapping between DFS access points

  • US 20020176437A1
  • Filed: 05/08/2002
  • Published: 11/28/2002
  • Est. Priority Date: 05/08/2001
  • Status: Active Grant
First Claim
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1. An access point for a wireless LAN communication network, comprising:

  • a first processing unit adapted to;

    (a) send probe requests and probe responses to other access points, (b) receive probe requests and probe responses from other access points (c) calculate an interference parameter for each of a plurality of its possible channels (d) calculate a channel sharing parameter for each of said plurality of channels (e) calculate a regular channel quality parameter (regCSIQ) for each of said plurality of channels, indicative of the amount of interference and channel sharing on each of said plurality of channels, using said interference and channel sharing parameters (f) dynamically select an optimum channel from said plurality of possible channels using said regular channel quality parameters (regCSIQ), wherein said access point is arranged to select said optimum channel by mutually swapping channels with another access point using a swapping mechanism.

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